Examples with HTableDescriptor org.apache.hadoop.hbase.HTableDescriptor used on opensource projects

Example 31 with HTableDescriptor

use of org.apache.hadoop.hbase.HTableDescriptor in project hbase by apache.

the class TestAdmin1 method testDeleteEditUnknownColumnFamilyAndOrTable.

@Test(timeout = 300000)
public void testDeleteEditUnknownColumnFamilyAndOrTable() throws IOException {
    // Test we get exception if we try to
    final TableName nonexistentTable = TableName.valueOf("nonexistent");
    final byte[] nonexistentColumn = Bytes.toBytes("nonexistent");
    HColumnDescriptor nonexistentHcd = new HColumnDescriptor(nonexistentColumn);
    Exception exception = null;
    try {
        this.admin.addColumnFamily(nonexistentTable, nonexistentHcd);
    } catch (IOException e) {
        exception = e;
    }
    assertTrue(exception instanceof TableNotFoundException);
    exception = null;
    try {
        this.admin.deleteTable(nonexistentTable);
    } catch (IOException e) {
        exception = e;
    }
    assertTrue(exception instanceof TableNotFoundException);
    exception = null;
    try {
        this.admin.deleteColumnFamily(nonexistentTable, nonexistentColumn);
    } catch (IOException e) {
        exception = e;
    }
    assertTrue(exception instanceof TableNotFoundException);
    exception = null;
    try {
        this.admin.disableTable(nonexistentTable);
    } catch (IOException e) {
        exception = e;
    }
    assertTrue(exception instanceof TableNotFoundException);
    exception = null;
    try {
        this.admin.enableTable(nonexistentTable);
    } catch (IOException e) {
        exception = e;
    }
    assertTrue(exception instanceof TableNotFoundException);
    exception = null;
    try {
        this.admin.modifyColumnFamily(nonexistentTable, nonexistentHcd);
    } catch (IOException e) {
        exception = e;
    }
    assertTrue(exception instanceof TableNotFoundException);
    exception = null;
    try {
        HTableDescriptor htd = new HTableDescriptor(nonexistentTable);
        htd.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));
        this.admin.modifyTable(htd.getTableName(), htd);
    } catch (IOException e) {
        exception = e;
    }
    assertTrue(exception instanceof TableNotFoundException);
    // Now make it so at least the table exists and then do tests against a
    // nonexistent column family -- see if we get right exceptions.
    final TableName tableName = TableName.valueOf(name.getMethodName() + System.currentTimeMillis());
    HTableDescriptor htd = new HTableDescriptor(tableName);
    htd.addFamily(new HColumnDescriptor("cf"));
    this.admin.createTable(htd);
    try {
        exception = null;
        try {
            this.admin.deleteColumnFamily(htd.getTableName(), nonexistentHcd.getName());
        } catch (IOException e) {
            exception = e;
        }
        assertTrue("found=" + exception.getClass().getName(), exception instanceof InvalidFamilyOperationException);
        exception = null;
        try {
            this.admin.modifyColumnFamily(htd.getTableName(), nonexistentHcd);
        } catch (IOException e) {
            exception = e;
        }
        assertTrue("found=" + exception.getClass().getName(), exception instanceof InvalidFamilyOperationException);
    } finally {
        this.admin.disableTable(tableName);
        this.admin.deleteTable(tableName);
    }
}

Example 32 with HTableDescriptor

use of org.apache.hadoop.hbase.HTableDescriptor in project hbase by apache.

the class TestAdmin1 method testCreateTableNumberOfRegions.

@Test(timeout = 300000)
public void testCreateTableNumberOfRegions() throws IOException, InterruptedException {
    final TableName tableName = TableName.valueOf(name.getMethodName());
    HTableDescriptor desc = new HTableDescriptor(tableName);
    desc.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));
    admin.createTable(desc);
    List<HRegionLocation> regions;
    try (RegionLocator l = TEST_UTIL.getConnection().getRegionLocator(tableName)) {
        regions = l.getAllRegionLocations();
        assertEquals("Table should have only 1 region", 1, regions.size());
    }
    TableName TABLE_2 = TableName.valueOf(tableName.getNameAsString() + "_2");
    desc = new HTableDescriptor(TABLE_2);
    desc.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));
    admin.createTable(desc, new byte[][] { new byte[] { 42 } });
    try (RegionLocator l = TEST_UTIL.getConnection().getRegionLocator(TABLE_2)) {
        regions = l.getAllRegionLocations();
        assertEquals("Table should have only 2 region", 2, regions.size());
    }
    TableName TABLE_3 = TableName.valueOf(tableName.getNameAsString() + "_3");
    desc = new HTableDescriptor(TABLE_3);
    desc.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));
    admin.createTable(desc, "a".getBytes(), "z".getBytes(), 3);
    try (RegionLocator l = TEST_UTIL.getConnection().getRegionLocator(TABLE_3)) {
        regions = l.getAllRegionLocations();
        assertEquals("Table should have only 3 region", 3, regions.size());
    }
    TableName TABLE_4 = TableName.valueOf(tableName.getNameAsString() + "_4");
    desc = new HTableDescriptor(TABLE_4);
    desc.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));
    try {
        admin.createTable(desc, "a".getBytes(), "z".getBytes(), 2);
        fail("Should not be able to create a table with only 2 regions using this API.");
    } catch (IllegalArgumentException eae) {
    // Expected
    }
    TableName TABLE_5 = TableName.valueOf(tableName.getNameAsString() + "_5");
    desc = new HTableDescriptor(TABLE_5);
    desc.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));
    admin.createTable(desc, new byte[] { 1 }, new byte[] { 127 }, 16);
    try (RegionLocator l = TEST_UTIL.getConnection().getRegionLocator(TABLE_5)) {
        regions = l.getAllRegionLocations();
        assertEquals("Table should have 16 region", 16, regions.size());
    }
}

Example 33 with HTableDescriptor

use of org.apache.hadoop.hbase.HTableDescriptor in project hbase by apache.

the class TestAdmin2 method testGetTableRegions.

/**
   * For HBASE-2556
   * @throws IOException
   */
@Test(timeout = 300000)
public void testGetTableRegions() throws IOException {
    final TableName tableName = TableName.valueOf(name.getMethodName());
    int expectedRegions = 10;
    // Use 80 bit numbers to make sure we aren't limited
    byte[] startKey = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
    byte[] endKey = { 9, 9, 9, 9, 9, 9, 9, 9, 9, 9 };
    HTableDescriptor desc = new HTableDescriptor(tableName);
    desc.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));
    admin.createTable(desc, startKey, endKey, expectedRegions);
    List<HRegionInfo> RegionInfos = admin.getTableRegions(tableName);
    assertEquals("Tried to create " + expectedRegions + " regions " + "but only found " + RegionInfos.size(), expectedRegions, RegionInfos.size());
}

Example 34 with HTableDescriptor

use of org.apache.hadoop.hbase.HTableDescriptor in project hbase by apache.

the class TestAdmin2 method createTable.

private HBaseAdmin createTable(TableName tableName) throws IOException {
    HBaseAdmin admin = TEST_UTIL.getHBaseAdmin();
    HTableDescriptor htd = new HTableDescriptor(tableName);
    HColumnDescriptor hcd = new HColumnDescriptor("value");
    htd.addFamily(hcd);
    admin.createTable(htd, null);
    return admin;
}

Example 35 with HTableDescriptor

use of org.apache.hadoop.hbase.HTableDescriptor in project hbase by apache.

the class TestAsyncRegionAdminApi method createTableWithDefaultConf.

private void createTableWithDefaultConf(TableName TABLENAME) throws Exception {
    HTableDescriptor htd = new HTableDescriptor(TABLENAME);
    HColumnDescriptor hcd = new HColumnDescriptor("value");
    htd.addFamily(hcd);
    admin.createTable(htd, null).get();
}